// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_PINCH_GESTURE_H_
#define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_PINCH_GESTURE_H_

#include "base/macros.h"
#include "base/time/time.h"
#include "content/browser/renderer_host/input/synthetic_gesture.h"
#include "content/browser/renderer_host/input/synthetic_gesture_target.h"
#include "content/common/content_export.h"
#include "content/common/input/synthetic_pinch_gesture_params.h"

namespace content {

// SyntheticPinchGesture is a thin wrapper around either
// SyntheticTouchscreenPinchGesture or SyntheticTouchpadPinchGesture, depending
// on the SyntheticGestureParam's |input_type| and the default input type of the
// target.
class CONTENT_EXPORT SyntheticPinchGesture : public SyntheticGesture {
public:
    explicit SyntheticPinchGesture(const SyntheticPinchGestureParams& params);
    ~SyntheticPinchGesture() override;

    SyntheticGesture::Result ForwardInputEvents(
        const base::TimeTicks& timestamp,
        SyntheticGestureTarget* target) override;

private:
    SyntheticPinchGestureParams params_;
    std::unique_ptr<SyntheticGesture> lazy_gesture_;

    DISALLOW_COPY_AND_ASSIGN(SyntheticPinchGesture);
};

} // namespace content

#endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_PINCH_GESTURE_H_
